Derek adds water to a pool at a rate of 12 gallons per minute and the reduces the rate to 8 gallons per minute. derek adds waterto the pool for a total of 2 hours. let t be the time in hours that he adds water to the pool at the fastest rate. write algebraic expression to represent how many minutes he adds water to the pool at each rate

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left